Home / 21,588.16-29,789.76-12,027.64

Finding the Fourth Proportional to 21,588.16, 29,789.76 and 12,027.64

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Solution

The fourth proportional to 21,588.16, 29,789.76 and 12,027.64 is: 16,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.16 : 29,789.76 = 12,027.64 : x
  2. Step 2: Convert to fraction form
    21,588.16/29,789.76 = 12,027.64/x
  3. Step 3: Cross multiply
    21,588.16x = 29,789.76 × 12,027.64
  4. Step 4: Simplify right side
    21,588.16x = 358,300,508.97
  5. Step 5: Solve for x
    x = 358,300,508.97/21,588.16
  6. Step 6: Final answer
    x = 16,597.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.